Spectroscopic temperature measurement

Details Spectroscopic temperature measurement Spectroscopic temperature measurement

G - Physics

01

J

73/52, 73/55

G01J 5/10 (2006.01) G01J 3/26 (2006.01)

Patent

CA 1039531

INVENTION: SPECTROSCOPIC TEMPERATURE MEASUREMENT INVENTOR: Joseph J. Barrett ABSTRACT OF THE DISCLOSURE A method and apparatus for determining the temperature of gaseous materials are provided. Light produced by scattering in a gaseous material and having spectral components periodic in frequency is collected, collimated and transmitted by a light conditioning means to an interferometric means. The interfero- metric means selectively separates periodic spectra from the light and transmits the spectra in the form of a detectable signal containing first and second branches of the spectra. Means are provided for measuring the intensities of the branches and detect- ing and recovering the intensity ratio thereof, which is correlated with the temperature of the gaseous material.

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